#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion


using System;
using System.Collections.Generic;
using System.Text;
using System.Globalization;

namespace Apprender.Newtonsoft.Json.Converters
{
  public class AspNetAjaxDateTimeConverter : JsonConverter
  {
    public override void WriteJson(JsonWriter writer, object value)
    {
      DateTime dateTime = (DateTime)value;
      long javaScriptTicks = JavaScriptConvert.ConvertDateTimeToJavaScriptTicks(dateTime);

      writer.WriteValue("@" + javaScriptTicks.ToString(null, CultureInfo.InvariantCulture) + "@");
    }

    public override object ReadJson(JsonReader reader, Type objectType)
    {
      string dateTimeText = (string)reader.Value;
      dateTimeText = dateTimeText.Substring(1, dateTimeText.Length - 2);

      long javaScriptTicks = Convert.ToInt64(dateTimeText);

      return JavaScriptConvert.ConvertJavaScriptTicksToDateTime(javaScriptTicks);
    }

    public override bool CanConvert(Type valueType)
    {
      return typeof(DateTime).IsAssignableFrom(valueType);
    }
  }
}
